Move the internal DeclContext data structures into a separate header.

Simplify the addition of a case statement to a switch.

Fix -print-stats for attribute-qualified types.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68522 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 109 deletions

diff --git a/lib/AST/DeclBase.cpp b/lib/AST/DeclBase.cpp
index 0abe047a80..615bf00087 100644
--- a/lib/AST/DeclBase.cpp
+++ b/lib/AST/DeclBase.cpp
@@ -13,6 +13,7 @@
 
 #include "clang/AST/DeclBase.h"
 #include "clang/AST/Decl.h"
+#include "clang/AST/DeclContextInternals.h"
 #include "clang/AST/DeclCXX.h"
 #include "clang/AST/DeclObjC.h"
 #include "clang/AST/DeclTemplate.h"
@@ -363,115 +364,6 @@ bool DeclContext::classof(const Decl *D) {
   }
 }
 
-/// StoredDeclsList - This is an array of decls optimized a common case of only
-/// containing one entry.
-struct StoredDeclsList {
-  /// VectorTy - When in vector form, this is what the Data pointer points to.
-  typedef llvm::SmallVector<NamedDecl*, 4> VectorTy;
-
-  /// Data - Union of NamedDecl*/VectorTy*.
-  llvm::PointerUnion<NamedDecl*, VectorTy*> Data;
-public:
-  StoredDeclsList() {}
-  StoredDeclsList(const StoredDeclsList &RHS) : Data(RHS.Data) {
-    if (isVector())
-      Data = new VectorTy(*Data.get<VectorTy*>());
-  }
-  
-  ~StoredDeclsList() {
-    // If this is a vector-form, free the vector.
-    if (isVector())
-      delete Data.get<VectorTy*>();
-  }
-  
-  StoredDeclsList &operator=(const StoredDeclsList &RHS) {
-    if (isVector())
-      delete Data.get<VectorTy*>();
-    Data = RHS.Data;
-    if (isVector())
-      Data = new VectorTy(*Data.get<VectorTy*>());
-    return *this;
-  }
-  
-  bool isVector() const { return Data.is<VectorTy*>(); }
-  bool isInline() const { return Data.is<NamedDecl*>(); }
-  bool isNull() const { return Data.isNull(); }
-  
-  void setOnlyValue(NamedDecl *ND) {
-    assert(isInline() && "Not inline");
-    Data = ND;
-  }
-
-  /// getLookupResult - Return an array of all the decls that this list
-  /// represents.
-  DeclContext::lookup_result getLookupResult() {
-    // If we have a single inline unit, return it.
-    if (isInline()) {
-      assert(!isNull() && "Empty list isn't allowed");
-      
-      // Data is a raw pointer to a NamedDecl*, return it.
-      void *Ptr = &Data;
-      return DeclContext::lookup_result((NamedDecl**)Ptr, (NamedDecl**)Ptr+1);
-    }
-    
-    // Otherwise, we have a range result.
-    VectorTy &V = *Data.get<VectorTy*>();
-    return DeclContext::lookup_result(&V[0], &V[0]+V.size());
-  }
-  
-  /// HandleRedeclaration - If this is a redeclaration of an existing decl,
-  /// replace the old one with D and return true.  Otherwise return false.
-  bool HandleRedeclaration(NamedDecl *D) {
-    // Most decls only have one entry in their list, special case it.
-    if (isInline()) {
-      if (!D->declarationReplaces(Data.get<NamedDecl*>()))
-        return false;
-      setOnlyValue(D);
-      return true;
-    }
-    
-    // Determine if this declaration is actually a redeclaration.
-    VectorTy &Vec = *Data.get<VectorTy*>();
-    VectorTy::iterator RDI
-      = std::find_if(Vec.begin(), Vec.end(),
-                     std::bind1st(std::mem_fun(&NamedDecl::declarationReplaces),
-                                  D));
-    if (RDI == Vec.end())
-      return false;
-    *RDI = D;
-    return true;
-  }
-  
-  /// AddSubsequentDecl - This is called on the second and later decl when it is
-  /// not a redeclaration to merge it into the appropriate place in our list.
-  /// 
-  void AddSubsequentDecl(NamedDecl *D) {
-    // If this is the second decl added to the list, convert this to vector
-    // form.
-    if (isInline()) {
-      NamedDecl *OldD = Data.get<NamedDecl*>();
-      VectorTy *VT = new VectorTy();
-      VT->push_back(OldD);
-      Data = VT;
-    }
-    
-    VectorTy &Vec = *Data.get<VectorTy*>();
-    if (isa<UsingDirectiveDecl>(D) ||
-        D->getIdentifierNamespace() == Decl::IDNS_Tag)
-      Vec.push_back(D);
-    else if (Vec.back()->getIdentifierNamespace() == Decl::IDNS_Tag) {
-      NamedDecl *TagD = Vec.back();
-      Vec.back() = D;
-      Vec.push_back(TagD);
-    } else
-      Vec.push_back(D);
-  }
-};
-
-
-
-typedef llvm::DenseMap<DeclarationName, StoredDeclsList> StoredDeclsMap;
-
 DeclContext::~DeclContext() {
   if (isLookupMap())
     delete static_cast<StoredDeclsMap*>(LookupPtr.getPointer());